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blocks.go
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// Copyright 2015 Matthew Collins
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package steven
import (
"bytes"
"reflect"
"unicode"
)
// Valid blocks.
var Blocks = struct {
Air *BlockSet `cullAgainst:"false" collidable:"false" renderable:"false"`
Stone *BlockSet `type:"stone"`
Grass *BlockSet `type:"grass"`
Dirt *BlockSet
Cobblestone *BlockSet
Planks *BlockSet `type:"planks"`
Sapling *BlockSet `type:"sapling"`
Bedrock *BlockSet `hardness:"Inf"`
FlowingWater *BlockSet `type:"liquid"`
Water *BlockSet `type:"liquid"`
FlowingLava *BlockSet `type:"liquid" lava:"true"`
Lava *BlockSet `type:"liquid" lava:"true"`
Sand *BlockSet `hardness:"0.5"`
Gravel *BlockSet
GoldOre *BlockSet
IronOre *BlockSet
CoalOre *BlockSet
Log *BlockSet `type:"log"`
Leaves *BlockSet `type:"leaves"`
Sponge *BlockSet `type:"sponge"`
Glass *BlockSet `cullAgainst:"false"`
LapisOre *BlockSet
LapisBlock *BlockSet
Dispenser *BlockSet `type:"dispenser"`
Sandstone *BlockSet
NoteBlock *BlockSet `mc:"noteblock"`
Bed *BlockSet `type:"bed"`
GoldenRail *BlockSet `type:"poweredRail"`
DetectorRail *BlockSet `type:"poweredRail"`
StickyPiston *BlockSet `type:"piston"`
Web *BlockSet `cullAgainst:"false" collidable:"false"`
TallGrass *BlockSet `type:"tallGrass" mc:"tallgrass"`
DeadBush *BlockSet `type:"deadBush" mc:"deadbush"`
Piston *BlockSet `type:"piston"`
PistonHead *BlockSet `type:"pistonHead"`
Wool *BlockSet `type:"wool"`
PistonExtension *BlockSet `renderable:"false"`
YellowFlower *BlockSet `type:"yellowFlower"`
RedFlower *BlockSet `type:"redFlower"`
BrownMushroom *BlockSet `cullAgainst:"false" collidable:"false"`
RedMushroom *BlockSet `cullAgainst:"false" collidable:"false"`
GoldBlock *BlockSet
IronBlock *BlockSet
DoubleStoneSlab *BlockSet `type:"slabDoubleSeamless" variant:"stone"`
StoneSlab *BlockSet `type:"slab" variant:"stone"`
BrickBlock *BlockSet
TNT *BlockSet `mc:"tnt"`
BookShelf *BlockSet `mc:"bookshelf"`
MossyCobblestone *BlockSet
Obsidian *BlockSet
Torch *BlockSet `type:"torch" model:"torch"`
Fire *BlockSet `type:"fire"`
MobSpawner *BlockSet
OakStairs *BlockSet `type:"stairs"`
Chest *BlockSet
RedstoneWire *BlockSet `type:"redstone"`
DiamondOre *BlockSet
DiamondBlock *BlockSet
CraftingTable *BlockSet
Wheat *BlockSet `type:"crop"`
Farmland *BlockSet `type:"farmland"`
Furnace *BlockSet
FurnaceLit *BlockSet
StandingSign *BlockSet `type:"floorSign"`
WoodenDoor *BlockSet `type:"door"`
Ladder *BlockSet
Rail *BlockSet `type:"rail"`
StoneStairs *BlockSet `type:"stairs"`
WallSign *BlockSet `type:"wallSign"`
Lever *BlockSet
StonePressurePlate *BlockSet
IronDoor *BlockSet `type:"door"`
WoodenPressurePlate *BlockSet
RedstoneOre *BlockSet
RedstoneOreLit *BlockSet
RedstoneTorchUnlit *BlockSet `type:"torch" model:"unlit_redstone_torch"`
RedstoneTorch *BlockSet `type:"torch" model:"redstone_torch"`
StoneButton *BlockSet
SnowLayer *BlockSet `type:"snowLayer"`
Ice *BlockSet `translucent:"true" cullAgainst:"false"`
Snow *BlockSet
Cactus *BlockSet `type:"cactus"`
Clay *BlockSet
Reeds *BlockSet `cullAgainst:"false" collidable:"false"`
Jukebox *BlockSet
Fence *BlockSet `type:"fence"`
Pumpkin *BlockSet
Netherrack *BlockSet
SoulSand *BlockSet
Glowstone *BlockSet
Portal *BlockSet `type:"portal"`
PumpkinLit *BlockSet
Cake *BlockSet
RepeaterUnpowered *BlockSet
RepeaterPowered *BlockSet
StainedGlass *BlockSet `type:"stainedGlass"`
TrapDoor *BlockSet
MonsterEgg *BlockSet
StoneBrick *BlockSet `mc:"stonebrick" type:"stonebrick"`
BrownMushroomBlock *BlockSet
RedMushroomBlock *BlockSet
IronBars *BlockSet `type:"connectable"`
GlassPane *BlockSet `type:"connectable"`
MelonBlock *BlockSet
PumpkinStem *BlockSet
MelonStem *BlockSet
Vine *BlockSet `type:"vines"`
FenceGate *BlockSet `type:"fenceGate"`
BrickStairs *BlockSet `type:"stairs"`
StoneBrickStairs *BlockSet `type:"stairs"`
Mycelium *BlockSet
Waterlily *BlockSet `type:"lilypad"`
NetherBrick *BlockSet
NetherBrickFence *BlockSet `type:"fence" wood:"false"`
NetherBrickStairs *BlockSet `type:"stairs"`
NetherWart *BlockSet
EnchantingTable *BlockSet
BrewingStand *BlockSet
Cauldron *BlockSet
EndPortal *BlockSet `collidable:"false"`
EndPortalFrame *BlockSet
EndStone *BlockSet
DragonEgg *BlockSet
RedstoneLamp *BlockSet
RedstoneLampLit *BlockSet
DoubleWoodenSlab *BlockSet `type:"slabDouble" variant:"wood"`
WoodenSlab *BlockSet `type:"slab" variant:"wood"`
Cocoa *BlockSet
SandstoneStairs *BlockSet `type:"stairs"`
EmeraldOre *BlockSet
EnderChest *BlockSet
TripwireHook *BlockSet
Tripwire *BlockSet
EmeraldBlock *BlockSet
SpruceStairs *BlockSet `type:"stairs"`
BirchStairs *BlockSet `type:"stairs"`
JungleStairs *BlockSet `type:"stairs"`
CommandBlock *BlockSet
Beacon *BlockSet `cullAgainst:"false"`
CobblestoneWall *BlockSet `type:"wall"`
FlowerPot *BlockSet
Carrots *BlockSet `type:"crop"`
Potatoes *BlockSet `type:"crop"`
WoodenButton *BlockSet
Skull *BlockSet `type:"skull"`
Anvil *BlockSet
TrappedChest *BlockSet
LightWeightedPressurePlate *BlockSet
HeavyWeightedPressurePlate *BlockSet
ComparatorUnpowered *BlockSet
ComparatorPowered *BlockSet
DaylightDetector *BlockSet
RedstoneBlock *BlockSet
QuartzOre *BlockSet
Hopper *BlockSet
QuartzBlock *BlockSet `type:"quartzBlock"`
QuartzStairs *BlockSet `type:"stairs"`
ActivatorRail *BlockSet `type:"poweredRail"`
Dropper *BlockSet `type:"dispenser"`
StainedHardenedClay *BlockSet `type:"stainedClay"`
StainedGlassPane *BlockSet `type:"stainedGlassPane"`
Leaves2 *BlockSet `type:"leaves" second:"true"`
Log2 *BlockSet `type:"log" second:"true"`
AcaciaStairs *BlockSet `type:"stairs"`
DarkOakStairs *BlockSet `type:"stairs"`
Slime *BlockSet
Barrier *BlockSet `cullAgainst:"false" renderable:"false"`
IronTrapDoor *BlockSet
Prismarine *BlockSet
SeaLantern *BlockSet
HayBlock *BlockSet
Carpet *BlockSet `type:"carpet"`
HardenedClay *BlockSet
CoalBlock *BlockSet
PackedIce *BlockSet
DoublePlant *BlockSet `type:"doublePlant"`
StandingBanner *BlockSet
WallBanner *BlockSet
DaylightDetectorInverted *BlockSet
RedSandstone *BlockSet
RedSandstoneStairs *BlockSet `type:"stairs"`
DoubleStoneSlab2 *BlockSet `type:"slabDoubleSeamless" variant:"stone2"`
StoneSlab2 *BlockSet `type:"slab" variant:"stone2"`
SpruceFenceGate *BlockSet `type:"fenceGate"`
BirchFenceGate *BlockSet `type:"fenceGate"`
JungleFenceGate *BlockSet `type:"fenceGate"`
DarkOakFenceGate *BlockSet `type:"fenceGate"`
AcaciaFenceGate *BlockSet `type:"fenceGate"`
SpruceFence *BlockSet `type:"fence"`
BirchFence *BlockSet `type:"fence"`
JungleFence *BlockSet `type:"fence"`
DarkOakFence *BlockSet `type:"fence"`
AcaciaFence *BlockSet `type:"fence"`
SpruceDoor *BlockSet `type:"door"`
BirchDoor *BlockSet `type:"door"`
JungleDoor *BlockSet `type:"door"`
AcaciaDoor *BlockSet `type:"door"`
DarkOakDoor *BlockSet `type:"door"`
EndRod *BlockSet
ChorusPlant *BlockSet
ChorusFlower *BlockSet
PurpurBlock *BlockSet
PurpurPillar *BlockSet
PurpurStairs *BlockSet `type:"stairs"`
PurpurDoubleSlab *BlockSet `type:"slabDoubleSeamless" variant:"purpur"`
PurpurSlab *BlockSet `type:"slab" variant:"purpur"`
EndBricks *BlockSet
Beetroots *BlockSet
GrassPath *BlockSet `cullAgainst:"false"`
EndGateway *BlockSet
StructureBlock *BlockSet
MissingBlock *BlockSet `mc:"steven:missing_block"`
}{}
var blockTypes = map[string]reflect.Type{}
func init() {
type loadable interface {
load(tag reflect.StructTag)
}
v := reflect.ValueOf(&Blocks).Elem()
t := v.Type()
bsType := reflect.TypeOf(&BlockSet{})
for i := 0; i < t.NumField(); i++ {
f := t.Field(i)
fv := v.Field(i)
if !f.Type.AssignableTo(bsType) {
continue
}
tag := f.Tag
ty := tag.Get("type")
if ty == "" {
ty = "default"
}
name := tag.Get("mc")
if name == "" {
name = formatFieldName(f.Name)
}
rT, ok := blockTypes[ty]
if !ok {
panic("invalid block type " + ty)
}
nv := reflect.New(rT)
block := nv.Interface().(Block)
block.init(name)
if l, ok := block.(loadable); ok {
l.load(tag)
}
set := alloc(block)
fv.Set(reflect.ValueOf(set))
}
initBurnable()
}
func formatFieldName(name string) string {
var buf bytes.Buffer
for _, r := range name {
if unicode.IsUpper(r) {
r = unicode.ToLower(r)
if buf.Len() > 0 {
buf.WriteRune('_')
}
}
buf.WriteRune(r)
}
return buf.String()
}
func registerBlockType(name string, v Block) {
blockTypes[name] = reflect.TypeOf(v).Elem()
}
func wrapTagBool(tag reflect.StructTag) func(name string, def bool) bool {
return func(name string, def bool) bool {
v := tag.Get(name)
if v == "" {
return def
}
return v == "true"
}
}